<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div class=""><br class=""></div>I’ve seen several systems that override @ in connection classes to be at:, but the syntax<div class=""><br class=""></div><div class=""><blockquote type="cite" class=""><div dir="ltr" class=""><blockquote class="" style="margin: 0px 0px 0px 40px; border: none; padding: 0px;"><blockquote class="" style="margin: 0px 0px 0px 40px; border: none; padding: 0px;"><div class=""><div class=""><div class="">a @ i := b @ i</div></div></div></blockquote></blockquote></div></blockquote><br class=""></div><div class="">would require non-trivial parser/compiler hacks. Perhaps use @: for at :put: as in a @ 3 : 0 ?</div><div class=""><br class=""></div><div class="">stp</div><div class=""><br class=""><div class=""> <font face="Helvetica Neue" class=""><span class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px;"><span class="Apple-style-span" style="border-collapse: separate; orphans: 2; text-align: -webkit-auto; text-indent: 0px; widows: 2; border-spacing: 0px;"><span class="Apple-style-span" style="border-collapse: separate; orphans: 2; text-align: -webkit-auto; text-indent: 0px; widows: 2; border-spacing: 0px;"><span class="Apple-style-span" style="border-collapse: separate; orphans: 2; text-align: -webkit-auto; text-indent: 0px; widows: 2; border-spacing: 0px;"><span class="Apple-style-span" style="border-collapse: separate; orphans: 2; text-align: -webkit-auto; text-indent: 0px; widows: 2; border-spacing: 0px;"><span class="Apple-style-span" style="border-collapse: separate; orphans: 2; text-align: -webkit-auto; text-indent: 0px; 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widows: 2; border-spacing: 0px;"><div class=""><div class=""><div class=""><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-variant-ligatures: normal; font-variant-caps: normal; font-variant-east-asian: normal; font-variant-position: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; border-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-stroke-width: 0px;"><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-variant-ligatures: normal; font-variant-caps: normal; font-variant-east-asian: normal; font-variant-position: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; border-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-stroke-width: 0px;"><span class="Apple-style-span" style="border-collapse: separate; 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font-variant-position: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; border-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-stroke-width: 0px;"><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-variant-ligatures: normal; font-variant-caps: normal; font-variant-east-asian: normal; font-variant-position: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; border-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-stroke-width: 0px;"><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-variant-ligatures: normal; font-variant-caps: normal; font-variant-east-asian: normal; font-variant-position: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; border-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-stroke-width: 0px;"><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-variant-ligatures: normal; font-variant-caps: normal; font-variant-east-asian: normal; font-variant-position: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; border-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-stroke-width: 0px;"><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-variant-ligatures: normal; font-variant-caps: normal; font-variant-east-asian: normal; font-variant-position: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; border-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-stroke-width: 0px;"><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-variant-ligatures: normal; font-variant-caps: normal; font-variant-east-asian: normal; font-variant-position: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; border-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-stroke-width: 0px;"><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-variant-ligatures: normal; font-variant-caps: normal; font-variant-east-asian: normal; font-variant-position: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; border-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-stroke-width: 0px;"><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-variant-ligatures: normal; font-variant-caps: normal; font-variant-east-asian: normal; font-variant-position: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; border-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-stroke-width: 0px;"><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-variant-ligatures: normal; font-variant-caps: normal; font-variant-east-asian: normal; font-variant-position: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; border-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-stroke-width: 0px;"><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-variant-ligatures: normal; font-variant-caps: normal; font-variant-east-asian: normal; font-variant-position: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; border-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-stroke-width: 0px;"><div class=""><font class="Apple-style-span"><font class="Apple-style-span"><br class="Apple-interchange-newline">--</font></font></div><div class=""><br class=""></div><div class=""> Stephen Travis Pope Ojai, California, USA </div></span></span></span></span></span></span></span></span></span></span></span></span></span></span></div></div></div></span><span><div class=""><span class="Apple-style-span" style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: "Helvetica Neue"; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none; font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; line-height: normal; font-size: 11px; -webkit-text-decorations-in-effect: none; border-collapse: separate; border-spacing: 0px;"><span class="Apple-style-span" style="border-collapse: separate; text-align: -webkit-auto; border-spacing: 0px;"><span> </span></span></span><span style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: "Helvetica Neue"; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none; font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; line-height: normal; font-size: 11px;"></span><span style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: "Helvetica Neue"; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none; font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; line-height: normal; font-size: 11px;"></span><span style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: "Helvetica Neue"; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none; font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; line-height: normal; font-size: 11px;"></span><span style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: "Helvetica Neue"; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none; font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; line-height: normal; font-size: 11px;"></span><span style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: "Helvetica Neue"; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none; font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; line-height: normal; font-size: 11px;"></span><span style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: "Helvetica Neue"; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none; font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; line-height: normal; font-size: 11px;"></span><span style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: "Helvetica Neue"; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none; font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; line-height: normal; font-size: 11px;"></span><span style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: "Helvetica Neue"; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none; font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; line-height: normal; font-size: 11px;"></span><span style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: "Helvetica Neue"; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none; font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; line-height: normal; font-size: 11px;"></span><span style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: "Helvetica Neue"; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none; font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; line-height: normal; font-size: 11px;"></span><span style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: "Helvetica Neue"; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none; font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; line-height: normal; font-size: 11px;"></span><span style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: "Helvetica Neue"; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none; font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; line-height: normal; font-size: 11px;"></span><span style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: "Helvetica Neue"; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none; font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; line-height: normal; font-size: 11px;"></span><span style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: "Helvetica Neue"; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none; font-size: 16px; font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; line-height: normal;"><span><span><span><span><span><span><span><span><span><span><span><span><span><span><span><span><span><span><span><span><span><span><span><span><span style="color: rgb(0, 0, 0); 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color: rgb(0, 0, 0); font-family: "Helvetica Neue"; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none; font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; line-height: normal; font-size: 16px;" class=""><span style="color: rgb(0, 0, 0); font-family: "Helvetica Neue"; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-variant-east-asian: normal; font-variant-position: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;"><span><span><span><span><span><span><span><span><span><span><span><span><span><span><span><span><span><span><span><span><span><span><span><span><span style="color: rgb(0, 0, 0); font-family: "Helvetica Neue"; font-size: 11px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-variant-east-asian: normal; font-variant-position: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;"><span><span><span><span style="color: rgb(0, 0, 0); font-family: "Helvetica Neue"; font-size: 11px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-variant-east-asian: normal; font-variant-position: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;"><font style="-webkit-text-decorations-in-effect: none; text-align: -webkit-auto;" class=""> </font><font color="#4787ff" style="text-align: -webkit-auto; font-size: 16px;" class=""><span style="font-size: 11px;" class=""><a href="https://vimeo.com/user19434036/videos" style="-webkit-text-decorations-in-effect: none; text-decoration: underline;" class="">https://vimeo.com/user19434036/videos</a> </span></font></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span><u style="text-align: -webkit-auto; color: rgb(71, 135, 255);" class=""><span style="font-size: 11px;" class=""><a href="http://heaveneverywhere.com/Reflections" class="">http://heaveneverywhere.com/Reflections</a></span></u></div><div style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: "Helvetica Neue"; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none; font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; line-height: normal; font-size: 16px;" class=""><span style="color: rgb(0, 0, 0); font-family: "Helvetica Neue"; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-variant-east-asian: normal; font-variant-position: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;"><span><span><span><span><span><span><span><span><span><span><span><span><span><span><span><span><span><span><span><span><span><span><span><span><span style="color: rgb(0, 0, 0); font-family: "Helvetica Neue"; font-size: 11px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-variant-east-asian: normal; font-variant-position: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-stroke-width: 0px;"><span><span><span><span style="color: rgb(0, 0, 0); font-family: "Helvetica Neue"; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-variant-east-asian: normal; font-variant-position: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; font-size: 16px; orphans: 2; widows: 2; -webkit-text-decorations-in-effect: none;"><span><span><span><span><span><span><span><span><span><span><span><span><span><span><span><span style="font-size: 11px;" class=""><span><span><span><span><span><span><span><span><span><div style="color: rgb(0, 0, 0); font-family: "Helvetica Neue"; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-variant-east-asian: normal; font-variant-position: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; font-size: 16px;" class=""><span class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px;"><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-variant-ligatures: normal; font-variant-caps: normal; font-variant-east-asian: normal; font-variant-position: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; border-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-stroke-width: 0px;"><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-variant-ligatures: normal; font-variant-caps: normal; font-variant-east-asian: normal; font-variant-position: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; border-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-stroke-width: 0px;"><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-variant-ligatures: normal; font-variant-caps: normal; font-variant-east-asian: normal; font-variant-position: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; border-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-stroke-width: 0px;"><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-variant-ligatures: normal; font-variant-caps: normal; font-variant-east-asian: normal; font-variant-position: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; 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color: rgb(0, 0, 0); font-variant-ligatures: normal; font-variant-caps: normal; font-variant-east-asian: normal; font-variant-position: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; border-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-stroke-width: 0px;"><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-variant-ligatures: normal; font-variant-caps: normal; font-variant-east-asian: normal; font-variant-position: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; border-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-stroke-width: 0px;"><span style="color: rgb(0, 0, 0); font-variant-ligatures: normal; font-variant-caps: normal; font-variant-east-asian: normal; font-variant-position: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px;"><span><span><span><span><span><span><span><span><span><span><span><span><span><span><div style="color: rgb(0, 0, 0); font-variant-ligatures: normal; font-variant-caps: normal; font-variant-east-asian: normal; font-variant-position: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""><span style="font-size: 11px;"><br class=""></span></div><div style="color: rgb(0, 0, 0); font-variant-ligatures: normal; font-variant-caps: normal; font-variant-east-asian: normal; font-variant-position: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""><span style="font-size: 11px;" class="">--</span></div><div style="color: rgb(0, 0, 0); font-variant-ligatures: normal; font-variant-caps: normal; font-variant-east-asian: normal; font-variant-position: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""><span style="font-size: 11px;" class=""><br class=""></span></div></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></div></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></div><br class="Apple-interchange-newline" style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: "Helvetica Neue"; font-size: 11px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none;"><br class="Apple-interchange-newline"> </span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></div> </span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></font></div><div><br class=""><blockquote type="cite" class=""><div class="">On Jul 17, 2022, at 2:40 PM, Francisco Garau via Cuis-dev <<a href="mailto:cuis-dev@lists.cuis.st" class="">cuis-dev@lists.cuis.st</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="ltr" class=""><div dir="auto" class=""><div class=""><h1 class="gmail-citation__title" style="box-sizing:border-box;font-size:1.75rem;margin:0px;line-height:35px;color:rgb(51,51,51);font-family:"Open Sans",sans-serif"><span style="font-family:Arial,Helvetica,sans-serif;font-size:small;font-weight:normal;color:rgb(34,34,34)" class="">Dan Ingalls talks about the indexing operator in "The evolution of Smalltalk: from Smalltalk-72 through Squeak" [1]</span><br class=""></h1></div></div><blockquote style="margin:0 0 0 40px;border:none;padding:0px" class=""><div class=""><div class=""><div class="">In Smalltalk--76</div></div></div><blockquote style="margin:0 0 0 40px;border:none;padding:0px" class=""><div class=""><div class=""><div class="">a • i ← b • i</div></div></div></blockquote><div class=""><div class=""><div class="">In Smalltalk--80</div></div></div><blockquote style="margin:0 0 0 40px;border:none;padding:0px" class=""><div class=""><div class=""><div class="">a at: i put: (b at: i)</div></div></div></blockquote><div class=""><div class=""><div class="">Smalltalk--80--didnahappen</div></div></div><blockquote style="margin:0 0 0 40px;border:none;padding:0px" class=""><div class=""><div class=""><div class="">a @ i := b @ i</div></div></div></blockquote><div class=""><div class=""><div class="">or</div></div></div><blockquote style="margin:0 0 0 40px;border:none;padding:0px" class=""><div class=""><div class=""><div class="">a ! i := b ! i</div></div></div></blockquote></blockquote><div dir="auto" class=""><div class=""><br class=""></div></div><div dir="auto" class=""><div class=""><div class="">[1] <a href="http://worrydream.com/refs/Ingalls%20-%20The%20Evolution%20of%20Smalltalk.pdf" class="">http://worrydream.com/refs/Ingalls%20-%20The%20Evolution%20of%20Smalltalk.pdf</a><br class=""></div><div class=""><div id="m_-7116098293796523862m_7780317447773535294AppleMailSignature" dir="ltr" class=""><div class=""><br class=""></div></div><div dir="ltr" class="">On 16 Jul 2022, at 10:51, Luciano Notarfrancesco <<a href="mailto:luchiano@gmail.com" target="_blank" class="">luchiano@gmail.com</a>> wrote:<br class=""><br class=""></div><blockquote type="cite" class=""><div dir="ltr" class=""><div dir="auto" class="">Hola!</div><div dir="auto" class="">Interesting. Actually methods written like this look more complicated than the original Smalltalk-80 syntax to me, but it’s an interesting idea, maybe looks complicated just because I’m not used to it. Let us know how it goes.</div><div dir="auto" class=""><br class=""></div><div dir="auto" class="">Note that in Cuis #: is a valid binary message. I use it, maybe I’m the only one who uses it.</div><div dir="auto" class=""><br class=""></div><div dir="auto" class="">Another idea we discussed before was to compile ‘f(x)’ as ‘f value: x’. Note that this is not ambiguous with Smalltalk-80. We could also compile ‘a[i]’ as ‘a at: i’. I’m not sure if it’s worth to complicate the Smalltalk-80 syntax with things like this, tho, I also value simplicity.<br class=""></div><div dir="auto" class=""><br class=""></div><div dir="auto" class=""><br class=""></div><div class=""><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sat, 16 Jul 2022 at 01:39 Francisco Garau via Cuis-dev <<a href="mailto:cuis-dev@lists.cuis.st" target="_blank" class="">cuis-dev@lists.cuis.st</a>> wrote:<br class=""></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-style:solid;padding-left:1ex;border-left-color:rgb(204,204,204)"><div dir="ltr" class=""><div class="">Hola Amigos -- just wanted to share with you some ideas I've been thinking about for a while. </div><div class=""><br class=""></div><div class="">It all started when someone mentioned the colon in the syntax for block arguments could have whitespace around the argument so that you could write <font face="monospace" style="font-family: monospace;" class="">[ : n | n + 1] </font></div><div class=""><br class=""></div><div class="">It makes perfect sense to see the block as an "inlined" method that doesn't require any method-lookup; therefore, the selector is superfluous. But if we accepted the selector inside the block, it could be used as the variable holding the block. So, instead of writing <font face="monospace" style="font-family: monospace;" class="">succ := [:n | n + 1]</font> we could write <font face="monospace" style="font-family: monospace;" class="">[succ: n | n + 1]</font> </div><div class=""><br class=""></div><div class="">Even better if the block evaluation accepts #: as a valid selector. So you could write <font face="monospace" style="font-family: monospace;" class="">(succ: 3) = 4</font> instead of <font face="monospace" style="font-family: monospace;" class="">(succ value: 3) = 4</font>. </div><div class=""><br class=""></div><div class="">A short example will make this clear. </div><div class=""><br class=""></div><blockquote style="margin:0px 0px 0px 40px;border:none;padding:0px" class=""><div class="">Vanilla Smalltalk</div><blockquote style="margin:0px 0px 0px 40px;border:none;padding:0px" class=""><div class="">succ := [:n | n + 1].</div></blockquote><blockquote style="margin:0px 0px 0px 40px;border:none;padding:0px" class=""><div class="">(succ value: 3) = 4. </div></blockquote><div class=""><br class=""></div><div class="">Extended Block Syntax</div><blockquote style="margin:0px 0px 0px 40px;border:none;padding:0px" class=""><div class="">[succ: n | n + 1]. </div></blockquote><blockquote style="margin:0px 0px 0px 40px;border:none;padding:0px" class=""><div class="">(succ: 3 ) = 4. </div></blockquote><blockquote style="margin:0px 0px 0px 40px;border:none;padding:0px" class=""><div class="">"the above is equivalent to" </div></blockquote><blockquote style="margin:0px 0px 0px 40px;border:none;padding:0px" class=""><div class="">(succ perform: #: with: 3) = 4. </div></blockquote><blockquote style="margin:0px 0px 0px 40px;border:none;padding:0px" class=""><div class=""><br class=""></div></blockquote><div class="">Being able to parse blocks with these syntax paves the way to unify the syntax for method definition—for example, a few hypothetical methods from the Point class. <br class=""></div><div class=""><div class=""><br class=""></div></div><blockquote style="margin:0px 0px 0px 40px;border:none;padding:0px" class=""><div class=""><div class="">"Point class>x:y:" </div></div></blockquote><blockquote style="margin:0px 0px 0px 40px;border:none;padding:0px" class=""><div class=""><div class="">[x: xInteger y: yInteger | </div></div></blockquote><blockquote style="margin:0px 0px 0px 40px;border:none;padding:0px" class=""><div class=""><div class=""> ^self basicNew setX: xInteger setY: yInteger].</div></div></blockquote></blockquote><blockquote style="margin:0px 0px 0px 40px;border:none;padding:0px" class=""><div class=""><br class=""></div></blockquote><blockquote style="margin:0px 0px 0px 40px;border:none;padding:0px" class=""><blockquote style="margin:0px 0px 0px 40px;border:none;padding:0px" class=""><div class=""><div class="">"Point>>abs"</div></div></blockquote><blockquote style="margin:0px 0px 0px 40px;border:none;padding:0px" class=""><div class=""><div class="">[abs | </div></div></blockquote><blockquote style="margin:0px 0px 0px 40px;border:none;padding:0px" class=""><div class=""><div class=""> ^x abs @ y abs]. </div></div></blockquote></blockquote><blockquote style="margin:0px 0px 0px 40px;border:none;padding:0px" class=""><div class=""><br class=""></div></blockquote><blockquote style="margin:0px 0px 0px 40px;border:none;padding:0px" class=""><blockquote style="margin:0px 0px 0px 40px;border:none;padding:0px" class=""><div class=""><div class="">"Point>>extent:" </div></div></blockquote><blockquote style="margin:0px 0px 0px 40px;border:none;padding:0px" class=""><div class=""><div class="">[extent: aPoint |</div></div></blockquote><blockquote style="margin:0px 0px 0px 40px;border:none;padding:0px" class=""><div class=""><div class=""> ^Rectangle origin: self extent: aPoint] </div></div></blockquote></blockquote><div class=""><div class=""><br class=""></div></div><div class="">Of course, it gets trickier when blocks have more than one argument.. <br class=""></div><div class=""><br class=""></div><div class=""><blockquote style="margin:0px 0px 0px 40px;border:none;padding:0px" class=""><div class="">[add: a to: b | a + b]. </div></blockquote><blockquote style="margin:0px 0px 0px 40px;border:none;padding:0px" class=""><div class="">(add_to value: 3 value: 4) = 7. "old style block evaluation" </div></blockquote><blockquote style="margin:0px 0px 0px 40px;border:none;padding:0px" class=""><div class="">(add: 3 to: 4) = 7. </div><div class=""><br class=""></div></blockquote></div><div class="">I think building a separate Parser is a sensible approach -- is there a Smalltalk Parser as a separate package that can be tweaked without affecting the running image?<br class=""></div><div class=""><br class=""></div><div class="">Thanks,</div><div class="">Francisco</div></div><div dir="ltr" class=""><div class=""><br class=""></div><div class=""><br class=""></div></div> -- <br class=""> Cuis-dev mailing list<br class=""> <a href="mailto:Cuis-dev@lists.cuis.st" target="_blank" class="">Cuis-dev@lists.cuis.st</a><br class=""> <a href="https://lists.cuis.st/mailman/listinfo/cuis-dev" rel="noreferrer" target="_blank" class="">https://lists.cuis.st/mailman/listinfo/cuis-dev</a><br class=""> </blockquote></div></div> </div></blockquote></div></div></div></div> -- <br class="">Cuis-dev mailing list<br class=""><a href="mailto:Cuis-dev@lists.cuis.st" class="">Cuis-dev@lists.cuis.st</a><br class="">https://lists.cuis.st/mailman/listinfo/cuis-dev<br class=""></div></blockquote></div><br class=""></div></body></html>